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Heartbeat API Jumpstart
!
WordCamp Seattle 2014
Mike Schroder (DH-Shredder)
@GetSource - http://www.getsource.net
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Who Am I?
• Mike Schroder, a.k.a DH-
Shredder, a.k.a. @GetSource
• Third Culture Kid, enjoy
Coffee & Sailing
• WordPress 3.9 Co-Lead and
co-author of Heartbeat API
• Happy DreamHost Employee
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WAT is Heartbeat API?
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Realtime* Bidirectional
communication via AJAX.
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15-30 seconds by default.
120 seconds when inactive.
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EXPERIMENTAL WARNING!
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EXPERIMENTAL WARNING!
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No longer experimental as of
WordPress 3.9
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JS Trigger Flow
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-> heartbeat-send
-> heartbeat-tick
-/> heartbeat-error
!
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(wp-includes/js/heartbeat.js)
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PHP Filter/Action Flow
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-> heartbeat_received
-> heartbeat_send
-> heartbeat_tick (action)
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(wp-admin/includes/ajax-actions.php)
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This is just a start.
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Resources!
• getsource.net/2014/01/heartbeat-api-wordcamp-phoenix/
• gist.github.com/getsource/6254495
• core.trac.wordpress.org/browser/tags/3.9/src/wp-includes/js/heartbeat.js
• pippinsplugins.com/using-the-wordpress-heartbeat-api/
Mike Schroder (DH-Shredder)
@GetSource - http://www.getsource.net